/*
 * Copyright (c) 2004-2022, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the HISP project nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.hisp.dhis.datastore;

import static org.hisp.dhis.test.utils.Assertions.assertContainsOnly;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;

import java.util.List;
import org.hisp.dhis.test.integration.PostgresIntegrationTestBase;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInstance;
import org.junit.jupiter.api.TestInstance.Lifecycle;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

/**
 * @author Stian Sandvold.
 */
@TestInstance(Lifecycle.PER_CLASS)
@Transactional
class DatastoreEntryStoreTest extends PostgresIntegrationTestBase {

  @Autowired private DatastoreStore store;

  @Test
  void testAddKeyJsonValue() {
    DatastoreEntry entry = addEntry("A", "1");
    assertNotNull(entry);
    assertEquals(entry, store.get(entry.getId()));
  }

  @Test
  void testAddKeyJsonValuesAndGetNamespaces() {
    addEntry("A", "1");
    addEntry("B", "1");
    assertContainsOnly(List.of("A", "B"), store.getNamespaces());
  }

  @Test
  void testAddKeyJsonValuesAndGetKeysFromNamespace() {
    addEntry("A", "1");
    addEntry("A", "2");
    addEntry("B", "1");
    assertContainsOnly(List.of("1", "2"), store.getKeysInNamespace("A"));
  }

  @Test
  void testAddKeyJsonValueAndGetKeyJsonValue() {
    DatastoreEntry entryA = addEntry("A", "1");
    assertEquals(store.getEntry("A", "1"), entryA);
  }

  @Test
  void testGetKeyJsonValuesByNamespace() {
    DatastoreEntry entryA1 = addEntry("A", "1");
    DatastoreEntry entryA2 = addEntry("A", "2");
    DatastoreEntry entryA3 = addEntry("A", "3");
    DatastoreEntry entryB1 = addEntry("B", "1");
    assertContainsOnly(List.of(entryA1, entryA2, entryA3), store.getEntriesInNamespace("A"));
    assertFalse(store.getEntriesInNamespace("A").contains(entryB1));
  }

  @Test
  void testCountKeysInNamespace() {
    addEntry("A", "1");
    addEntry("A", "2");
    addEntry("A", "3");
    addEntry("B", "1");
    assertEquals(3, store.countKeysInNamespace("A"));
    assertEquals(1, store.countKeysInNamespace("B"));
    assertEquals(0, store.countKeysInNamespace("C"));
  }

  @Test
  void deleteNamespace() {
    addEntry("A", "1");
    addEntry("A", "3");
    addEntry("B", "1");
    addEntry("C", "1");
    store.deleteNamespace("A");
    assertContainsOnly(List.of("B", "C"), store.getNamespaces());
  }

  private DatastoreEntry addEntry(String ns, String key) {
    DatastoreEntry entry = new DatastoreEntry(ns, key);
    store.save(entry);
    return entry;
  }
}
